L9911 Ver la hoja de datos (PDF) - STMicroelectronics
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L9911 Datasheet PDF : 20 Pages
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Electrical specification
L9911
Table 5. Electrical characteristics (continued)
Symbol
Parameter
Test condition
Min. Typ. Max. Unit
Vreg 1
Ialt =1 A-0.9 · Inom; Tcase = 20 °C;
1400 < rpm < RPMMAX
(see Figure 2)
14.0
-4.5
14.4
-3.5
14.8 V
-2.5 mV/°C
Vreg 2
Vreg 3
Regulated voltage & thermal drift.
3 configurations available,
selectable by mask option (see
Table 8).
Ialt =10 A; Tcase = 23 °C;
rpm = 6000 rpm; 15 V max.
(see Figure 3)
Ialt =10 A; Tcase = 23 °C;
rpm = 6000 rpm (see Figure 4)
14.35 14.5 14.65 V
-11.8 -10 -8.2 mV/°C
14.35 14.5 14.65 V
-6
-4
-2 mV/°C
Vreg 4
Ialt =10 A; Tcase = 23 °C;
rpm = 6000 rpm (see Figure 5)
13.95 14.2
-3.5 -2.5
14.3 V
-1.5 mV/°C
Vrpm -
Vload -
Vreg-less Reg. voltage without battery
1400<rpm<RPMMAX; Ialt = 10 A -
5 A<Ialt < Inom; rpm = 6000 rpm
-
Ialt = 3 A resistive; Tcase = 25 °C;
2000 < rpm < RPMMAX
12
-
200 mV
-
250 mV
-
16
V
Vov-p
Overvoltage protection threshold
Voltage on pin
B+ to disable L
drivers
High and low
side driver off
18
-
22
V
Vov-d
Overvoltage diagnosis threshold
VB+ to turn on L low side driver
at VF+ > VS1
Vreg -
5%
Vreg
Vreg +
5%
V
Tj-sd Thermal shutdown threshold
Temperature to disable F+,
DFM, L (high & low side drivers)
160
175
190
°C
Tj-sd-dwn Thermal shut-down hysteresis
L/F+/DFM from OFF STATE
(due to thermal shutdown) to ON
STATE
Tj-sd-
10
-
Tj-sd-
2
°C
Vuv-1
VB+ to turn on L low side driver 7.7 8.6 9.5
V
Vuv-up
Under voltage diagnosis threshold
VB+ to turn off L low side driver
Vuv + Vuv + Vuv +
0.40 0.75 1.2
V
VF+_sat
Vf
If_SCTH
Vs1
f-pre
Duty-pre
Field driver saturation voltage
Freewheeling diode F+
Tj = 150 °C; I = 4.5 A
Tj = 25 °C; I = 7 A
I=5A
Field short circuit driver protection
threshold current
(see Figure 15)
F+ = 0 V; Tj = -40 °C
F+ = 0 V; Tj = -25 °C
F+ = 0 V; Tj = -150 °C
Field driver ON-state detection -
Pre-excitation frequency
-
Pre-excitation Field driver ON-duty -
-
-
0.6
V
-
- 0.55 V
-
-
2
V
11
-
18
A
9.5
-
18
A
9
-
18
A
4.5
-
5.5
V
283 333 383 Hz
15.93 18.75 21.57 %
tr
Output voltage rise time
tf
Output voltage fall time
Fsw_F+ Field switching frequency
Ifield = 3 A resistive
see Figure 6)
Ialt = 1 A~0.9 · Inom;
1400 rpm < rpm < RPMMAX
10
-
50
μs
10
-
50
μs
250
-
400 Hz
8/20
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